Factorise :
x2−36
x2−36=(x)2−(6)2 {∵ a2−b2=(a+b)(a−b)}=(x+6)(x−6) Ans.
Factorise x2−x−156
Factorise x2+√2x−24
x2−y2−2y−1
Factorise x2−2√2x−30